CN100354672C - Image pick up device - Google Patents
Image pick up device Download PDFInfo
- Publication number
- CN100354672C CN100354672C CNB2004100623329A CN200410062332A CN100354672C CN 100354672 C CN100354672 C CN 100354672C CN B2004100623329 A CNB2004100623329 A CN B2004100623329A CN 200410062332 A CN200410062332 A CN 200410062332A CN 100354672 C CN100354672 C CN 100354672C
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- China
- Prior art keywords
- image
- capture unit
- stacker
- lens
- image capture
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- Investigating Or Analysing Materials By Optical Means (AREA)
- Studio Devices (AREA)
- Blocking Light For Cameras (AREA)
Abstract
The present invention relates to an image pick-up device which comprises a sleeve, a lens assembly, an image pick-up module, a foliated light trap structure and a support base, wherein the sleeve is provided with a light incidence opening and holding space connected to the light incidence opening. In addition, the lens assembly is assembled in the holding space. The light incidence opening is provided with partial surface exposed from the lens assembly. In addition, the image pick-up module comprises a circuit board and an image pick-up component arranged on the circuit board, wherein the image pick-up module is positioned on a light path behind the lens assembly. The foliated light trap structure is positioned on the periphery of the image pick-up component, and the support base is connected with the sleeve and the image pick-up module. The image pick-up component and the foliated light trap structure are covered by the support base.
Description
Technical field
The invention relates to a kind of optical system (optical system), and particularly relevant for a kind of image capture unit (image capture device).
Background technology
In the information society now, lifting along with various process technique, image capture unit also is applied in the various electronic installations, is the mainstream product of image application capture device with digital camera (digital camera) with the mobile phone (cell phone) with camera function again wherein.Below be described further for known image capture unit.
Please refer to Fig. 1, what it illustrated is the cross-sectional view of known image capture unit.Known image capture unit 100 comprises 120, one second lens of 110, one first lens of a sleeve (barrel) (lens) 130, fixed head 140,150, sensor assemblies 160 of a tablet filter (filter) and a stacker 170 (holder).Sleeve 110 has light incident opening 110a, an accommodation space 110b and an external thread (male screw) 112, wherein light incident opening 110a is connected with accommodation space 110b, and first lens 120, second lens 130 and fixed head 140 are configured in the accommodation space 110b in regular turn.In addition, light incident opening 110a exposes the part surface of first lens 120, and fixed head 140 has a light outgoing opening 140a, and it exposes the part surface of second lens 130.In addition, stacker 170 is difference coupling sleeve 110 and sensor assembly 160, and stacker 170 has an internal thread (female screw) 172, and stacker 170 is by external thread 112 assemblings of internal thread 172 with sleeve 110.Moreover, sensor assembly 160 is by circuit board 162 and be disposed at Charged Coupled Device sensor (ChargeCoupled Device sensor on the circuit board 162, CCD sensor) 164 compositions, and optical filter 150 is to be disposed in the stacker 170, and optical filter 150 is to be disposed in regular turn on second lens 130 light path afterwards with Charged Coupled Device sensor 164.
Please continue with reference to Fig. 1, light 180 is in regular turn via the light outgoing opening 140a and the optical filter 150 of the light incident opening 110a of sleeve 110, first lens 120, second lens 130, fixed head 140, be incident to Charged Coupled Device sensor 164, wherein Charged Coupled Device sensor 164 received part light 180 become image light source 180a, part light 180 then becomes useless veiling glare (useless light) 180b, and veiling glare 180b will have influence on the quality of image.It should be noted that, when light 180 is incident in the process of Charged Coupled Device sensor 164 with wide-angle, part light 180 may be reflected by the madial wall of stacker 170, and is incident in the Charged Coupled Device sensor 164, and then makes the quality of image descend.
Summary of the invention
In view of this, purpose of the present invention is providing a kind of image capture unit exactly, and it can reduce the reflection veiling glare in the stacker, to improve image quality.
Based on above-mentioned purpose or other purpose, the present invention proposes a kind of image capture unit, and it comprises a sleeve, a lens combination (lens system), an image acquisition module (image capture system), a foliated lamellar ligh trap structure (light trap structure of blade-shaped) and a stacker (holder).The accommodation space that sleeve has a light incident opening and is connected to light incident opening.In addition, lens combination is to be configured in the accommodation space, and light incident opening exposes the part surface of lens combination.In addition, image acquisition module is made up of a circuit board and an image-pickup assembly that is disposed on the circuit board, and wherein image-pickup assembly is to be positioned on the lens combination light path (optical path) afterwards.Moreover foliated lamellar ligh trap structure is to be positioned at around the image-pickup assembly.Stacker is coupling sleeve and image acquisition module, and stacker is to coat image-pickup assembly and foliated lamellar ligh trap structure.
Described according to preferred embodiment of the present invention, foliated lamellar ligh trap structure example is as being made up of a plurality of ring-shaped blades (annular blade), and these ring-shaped blades are around image-pickup assembly in the concentric circles mode.
Described according to preferred embodiment of the present invention, foliated lamellar ligh trap structure example is as being made up of a plurality of strip blades (strip blade), and these strip blades are around image-pickup assembly with the trellis arrangement mode.
Described according to preferred embodiment of the present invention, the material of foliated lamellar ligh trap structure for example is a light absorbent.
Described according to preferred embodiment of the present invention, foliated lamellar ligh trap structure and stacker for example are one-body molded.
Described according to preferred embodiment of the present invention, image capture unit more comprises a tablet filter (filter), and it is to be disposed in the stacker, and on the light path between lens combination and the image-pickup assembly.
Described according to preferred embodiment of the present invention, image capture unit more comprises a fixed head, and it is to be configured in the accommodation space, and breasting is to lens combination, and fixed head has a light outgoing opening, and it exposes the part surface of lens combination.
Described according to preferred embodiment of the present invention, lens combination comprises one first lens and one second lens, and wherein first lens are to be disposed in the accommodation space, and light incident opening is the part surface that exposes first lens.In addition, second lens are to be disposed in the accommodation space, and breasting to the first lens.
Described according to preferred embodiment of the present invention, sleeve for example is and the stacker interlocking.In addition, sleeve has an external thread (male screw), and stacker has an internal thread (female screw), and sleeve is the internal thread assembling by external thread and stacker.
Based on above-mentioned, image capture unit of the present invention with foliated lamellar ligh trap structural arrangements around image-pickup assembly, and foliated lamellar ligh trap structure can reduce the reflection veiling glare in the stacker, is incident to the veiling glare of image-pickup assembly with reduction, and then improves image quality.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 illustrates the cross-sectional view of known image capture unit.
Fig. 2 illustrates the cross-sectional view according to the image capture unit of preferred embodiment of the present invention.
Fig. 3 A illustrates the front view of foliated lamellar ligh trap structure.
Fig. 3 B illustrates the front view of another foliated lamellar ligh trap structure.
Symbol description
100: known image capture unit;
110,210: sleeve;
110a, 210a: light incident opening;
110b, 210b: accommodation space;
112,212: external thread;
120,222: the first lens;
130,224: the second lens;
140,270: fixed head;
140a, 270a: light outgoing opening;
150,260: optical filter;
160: sensor assembly;
162,232: circuit board;
164: the Charged Coupled Device sensor;
170,250: stacker;
172,252: internal thread;
180,280: light;
180a, 280a: image light source;
180b, 280b: veiling glare;
200: image capture unit;
220: lens combination;
230: image acquisition module;
234: image-pickup assembly;
240,340: foliated lamellar ligh trap structure;
242: ring-shaped blade;
342: the strip blade
Embodiment
Please refer to Fig. 2, it illustrates the cross-sectional view according to the image capture unit of preferred embodiment of the present invention.Image capture unit 200 comprises a sleeve 210, a lens combination 220, an image acquisition module 230, a foliated lamellar ligh trap structure 240 and a stacker 250.The accommodation space 210b that sleeve 210 has a light incident opening 210a and is connected to light incident opening 210a.In addition, lens combination 220 is to be configured in the accommodation space 210a, and lens combination 220 comprises one first lens 222 and one second lens 224, wherein first lens 222 and second lens 224 are to be configured in regular turn in the accommodation space 210b, and light incident opening 210a exposes the part surface of first lens 222, and second lens 224 are breasting to the first lens 222.In addition, the present invention does not limit the lens numbers of lens combination 220.
From the above, image acquisition module 230 for example is made up of a circuit board 232 and an image-pickup assembly 234 that is disposed on the circuit board 232, and image-pickup assembly 234 is to be positioned on lens combination 220 light path afterwards.In addition, stacker 250 is coupling sleeve 210 and image acquisition module 230, and foliated lamellar ligh trap structure 240 is to be positioned at around the image-pickup assembly 234, and stacker 250 coats image-pickup assembly 234 and foliated lamellar ligh trap structure 240.In addition, image-pickup assembly 234 for example is Charged Coupled Device sensor (CCD sensor), complementary metal oxide semiconductor image sensor (Complementary Metal Oxide Semiconductor image sensor, CMOS image sensor) or other image sensor.
Please continue with reference to Fig. 2, image capture unit 200 more comprises a fixed head 270 and a tablet filter 260, wherein fixed head 270 is to be configured in the accommodation space 210b, position in order to the fixed first lens 222 and second lens 224, and fixed head 270 has a light outgoing opening 270a, and it exposes the part surface of second lens 224.In addition, optical filter 260 is to be disposed in the stacker 250, and on the light path between lens combination 220 and the image-pickup assembly 232, and optical filter 260 for example is the optical mirror slip of infrared filter (IR filter) or other kind.In addition, sleeve 210 for example adopts and revolves the lock mode and be connected with stacker 250, and its middle sleeve 210 has an external thread 212, and stacker 250 has an internal thread 252, and sleeve 210 is by internal thread 252 assemblings of external thread 212 with stacker 250.What deserves to be mentioned is that sleeve 210 also can adopt snapping, wringing fit socket or alternate manner and stacker 250 assemblings.Below be described further for the external form and the function of foliated lamellar ligh trap structure 240.
Fig. 3 A illustrates the front view of foliated lamellar ligh trap structure.Please be simultaneously with reference to Fig. 2 and Fig. 3 A, foliated lamellar ligh trap structure 240 for example is made up of a plurality of ring-shaped blade 242, and these ring-shaped blades 242 are around image-pickup assembly 232 in the concentric circles mode.In addition, foliated lamellar ligh trap structure 240 for example is one-body molded with stacker 250, but foliated lamellar ligh trap structure 240 also can directly be disposed at around the image-pickup assembly 232.In addition, foliated lamellar ligh trap structure 240 is made of light absorbent (lightabsorption material) or antiradar reflectivity material (low reflectivity material).When light 280 in regular turn via the light outgoing opening 270a and the optical filter 260 of lens combination 220, fixed head 270, when being incident to image-pickup assembly 232, part light 280 becomes image light source 280a, part light 280 then becomes veiling glare 280b, if wherein veiling glare 280b is incident in the image-pickup assembly 232, this part veiling glare 280b then can influence image quality.Be incident in the foliated lamellar ligh trap structure 240 if it should be noted that veiling glare 280b, then veiling glare 280b in foliated lamellar ligh trap structure 240 through will decay gradually (decay) after the reflection repeatedly.Moreover foliated lamellar ligh trap structure 240 is not limited to ring-shaped blade 242, its describe in detail as after.
Please refer to Fig. 3 B, it illustrates the front view of another foliated lamellar ligh trap structure.Foliated lamellar ligh trap structure 340 for example is made up of a plurality of strip blade 342, and these strip blades 342 are around image-pickup assembly 232 with the trellis arrangement mode.It should be noted that the present invention is not limited to the quantity of strip blade 342 (as shown in Figure 3A) and ring-shaped blade 242 (as shown in Figure 3A).In addition, strip blade 342 is not limited to adopt the trellis arrangement mode, and strip blade 342 more can adopt radial arrangement mode, honeycomb or other arrangement mode.In addition, ring-shaped blade 242 is not limited to adopt the concentric circles mode to dispose, and ring-shaped blade 242 also can adopt other arrangement mode.Moreover the present invention does not limit foliated lamellar ligh trap structure 240 is centered on image-pickup assembly 232, more can adopt wavy or irregular ligh trap structure.
In sum, image capture unit of the present invention has following advantage:
One, in known image capture unit, when light was incident to stacker with wide-angle, the part incident ray may be reflected by the madial wall of stacker, and then is incident in the Charged Coupled Device sensor, thereby caused image quality to descend.Yet, image capture unit of the present invention centers on foliated lamellar ligh trap structure around the image-pickup assembly, so the light that is incident in the foliated lamellar ligh trap structure can be decayed gradually, be incident in the Charged Coupled Device sensor and no longer include chance, therefore image capture unit of the present invention has preferable image quality.
Two, in image capture unit of the present invention, foliated lamellar ligh trap structure example is as being made up of ring-shaped blade or strip blade, and these ring-shaped blades or strip blade are with concentric circles arrangement mode or trellis arrangement mode, and then improve the effect that reduces veiling glare.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this skill person; without departing from the spirit and scope of the present invention; when the change that can do some a little and retouching, so protection scope of the present invention is as the criterion when looking above-mentioned the scope that is defined of applying for a patent.
Claims (10)
1. an image capture unit is characterized in that, comprising:
A sleeve, an accommodation space that has a light incident opening and be connected to this light incident opening;
One lens combination be disposed in this accommodation space, and this light incident opening is the part surface that exposes this lens combination;
One image acquisition module is made up of a circuit board and an image-pickup assembly that is disposed on this circuit board, and wherein this image-pickup assembly is to be positioned on this lens combination light path afterwards;
One foliated lamellar ligh trap structure is positioned at around this image-pickup assembly; And
A stacker connects this sleeve and this image acquisition module, and this stacker is to coat this image-pickup assembly and this foliated lamellar ligh trap structure.
2. image capture unit as claimed in claim 1 is characterized in that, wherein this foliated lamellar ligh trap structure comprises by the several ringlike blade and being formed, and it is around this image-pickup assembly in the concentric circles mode.
3. image capture unit as claimed in claim 1 is characterized in that, wherein this foliated lamellar ligh trap structure comprises by several strip blades and being formed, and it is around this image-pickup assembly with the trellis arrangement mode.
4. image capture unit as claimed in claim 1 is characterized in that, wherein the material of this foliated lamellar ligh trap structure comprises light absorbent.
5. image capture unit as claimed in claim 1 is characterized in that, wherein this foliated lamellar ligh trap structure and this stacker are formed in one.
6. image capture unit as claimed in claim 1 is characterized in that, more comprises a tablet filter, be disposed in this stacker, and on the light path between this lens combination and this image-pickup assembly.
7. image capture unit as claimed in claim 1 is characterized in that, more comprises a fixed head, be configured in this accommodation space, and breasting is to this lens combination, and this fixed head has a light outgoing opening, exposes the part surface of this lens combination.
8. image capture unit as claimed in claim 1 is characterized in that, wherein this lens combination comprises:
One first lens are configured in this accommodation space, and this light incident opening is the part surface that exposes these first lens; And
One second lens are configured in this accommodation space, and breasting is to these first lens.
9. image capture unit as claimed in claim 1 is characterized in that, wherein this sleeve is and this stacker interlocking.
10. image capture unit as claimed in claim 9, wherein this sleeve has an external thread, and this stacker has an internal thread, and this sleeve is this internal thread assembling by this external thread and this stacker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100623329A CN100354672C (en) | 2004-07-01 | 2004-07-01 | Image pick up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100623329A CN100354672C (en) | 2004-07-01 | 2004-07-01 | Image pick up device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1715981A CN1715981A (en) | 2006-01-04 |
| CN100354672C true CN100354672C (en) | 2007-12-12 |
Family
ID=35821972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100623329A Expired - Fee Related CN100354672C (en) | 2004-07-01 | 2004-07-01 | Image pick up device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100354672C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053325B (en) * | 2009-10-30 | 2013-07-31 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN108490714B (en) * | 2018-03-22 | 2020-12-11 | 中国科学院国家空间科学中心 | Star sensor lens hood |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59135405A (en) * | 1983-01-22 | 1984-08-03 | Kowa Co | Light shielding plate of lens moving pole in camera or the like |
| DE3540019C1 (en) * | 1985-11-12 | 1987-02-12 | Messerschmitt Boelkow Blohm | Thermal imaging camera |
| US5018832A (en) * | 1988-11-10 | 1991-05-28 | Nikon Corporation | Device for preventing generation of harmful light in objective lens assembly |
| JPH1172680A (en) * | 1997-08-27 | 1999-03-16 | Olympus Optical Co Ltd | Zoom lens barrel |
| US6072634A (en) * | 1997-12-01 | 2000-06-06 | Intel Corporation | Compact digital camera objective with interdigitated element alignment, stray light suppression, and anti-aliasing features |
| JP2003046819A (en) * | 2001-07-27 | 2003-02-14 | Sony Corp | Camera |
| CN2555512Y (en) * | 2002-08-02 | 2003-06-11 | 力捷电脑股份有限公司 | Shade structure of optical lens fixing device |
-
2004
- 2004-07-01 CN CNB2004100623329A patent/CN100354672C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59135405A (en) * | 1983-01-22 | 1984-08-03 | Kowa Co | Light shielding plate of lens moving pole in camera or the like |
| DE3540019C1 (en) * | 1985-11-12 | 1987-02-12 | Messerschmitt Boelkow Blohm | Thermal imaging camera |
| US5018832A (en) * | 1988-11-10 | 1991-05-28 | Nikon Corporation | Device for preventing generation of harmful light in objective lens assembly |
| JPH1172680A (en) * | 1997-08-27 | 1999-03-16 | Olympus Optical Co Ltd | Zoom lens barrel |
| US6072634A (en) * | 1997-12-01 | 2000-06-06 | Intel Corporation | Compact digital camera objective with interdigitated element alignment, stray light suppression, and anti-aliasing features |
| JP2003046819A (en) * | 2001-07-27 | 2003-02-14 | Sony Corp | Camera |
| CN2555512Y (en) * | 2002-08-02 | 2003-06-11 | 力捷电脑股份有限公司 | Shade structure of optical lens fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1715981A (en) | 2006-01-04 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUAYU LUMINOUS ENERGY CO., LTD. Free format text: FORMER OWNER: JIAYANG OPTICAL TECHNOLOGY CO., LTD. Effective date: 20100122 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100122 Address after: Burghardt street Taipei city Taiwan Chinese Neihu District No. 58 12 floor Patentee after: Arima Photovoltaic & Optical Corp. Address before: Renhe Road town of Taoyuan County of Taiwan province 2 No. 349 2 floor Patentee before: Jiayang Optical Tech Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071212 Termination date: 20100701 |